# US 10,245,575 B2 · High temperature pressure digestion vessel system with dual action seal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,245,575 B2 - Document ID: US10245575B2 - Status: Granted - Kind: B2 - Application number: 15/944,009 - Filed: 2018-04-03 - Published: 2018-08-09 - Granted: 2019-04-02 - Earliest claimed: 2016-05-02 - Assignees: CEM Corporation - Applicants: CEM Corporation - Inventors: Ian Goldstein; Wyatt P. Hargett, III - Web page: https://patentgrep.com/patent/US10245575B2 ## CPC - B01J 19/02: Apparatus characterised by being constructed of material selected for its chemically-resistant properties - B01J 3/03: Pressure vessels, or vacuum vessels, having closure members or seals specially adapted therefor - B01J 3/042: {in the form of a tube} - B01J 19/126: {Microwaves} - B01J 19/24: Stationary reactors without moving elements inside (B01J19/08, B01J19/26 take precedence; with stationary particles B01J8/02) - B01J 2219/00141: Microwaves - B01J 2219/00162: controlling the pressure - B01J 2219/0295: Synthetic organic materials - B01J 2219/1218: Multiple reactors - B01J 2219/1224: Form of the reactor - B01J 2219/1227: Reactors comprising tubes with open ends - B01J 2219/1233: Closure means, such as lids, caps, seals (B01J3/03 takes precedence; pressure relief systems in the lid, e.g. rupture discs B01J2219/0027) - B01J 2219/1236: Frames for holding the lid in place - B01J 2219/1943: cylindrical - B01J 2219/24: Stationary reactors without moving elements inside - B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS ## Abstract A vessel system for high-pressure reactions is disclosed. The system includes a plugged polymer cylinder reaction vessel with a pressure vent opening extending radially through the wall of the reaction vessel and a supporting frame into which the vessel is received. Complementing keying structure elements on the vessel and on the frame limit the orientation of the reaction vessel in the supporting frame and the radially extending vent opening to a defined single position. ## Claims ### Claim 1 A vessel system for high-pressure reactions comprising: a plugged polymer cylinder reaction vessel with a pressure vent opening extending radially through the wall of said reaction vessel; a supporting frame into which said plugged polymer cylinder vessel is received; complementing keying structure elements on said plugged polymer cylinder vessel and on said supporting frame to limit the orientation of said plugged polymer cylinder reaction vessel in said supporting frame and said radially extending vent opening to a defined single position with respect to said supporting frame. ### Claim 2 (depends on 1) A vessel system according to claim 1 wherein said supporting frame has a vent tube that is aligned with said radially extending opening in said reaction vessel when said reaction vessel is keyed into said supporting frame. ### Claim 3 (depends on 2) A vessel system according to claim 2 wherein said keying structure elements include: defined corners in said supporting frame; and a keyed portion of said reaction vessel for engaging said defined corners in said supporting frame. ### Claim 4 (depends on 1) A vessel system according to claim 1 wherein said supporting frame further comprises a clamp that bears against said plugged vessel to keep said vessel closed at defined pressures generated by reactions inside said vessel. ### Claim 5 (depends on 4) A vessel system according to claim 4 further comprising: a dimensionally stable cap on said plugged vessel; and a threaded bolt in said frame that bears against said dimensionally stable cap and said plugged reaction vessel. ### Claim 6 (depends on 1) A vessel system according to claim 1 wherein said polymer reaction vessel is formed of PTFE. ### Claim 7 (depends on 6) A vessel system according to claim 6 further comprising a composite sleeve around said reaction vessel and formed of a plurality of layers of woven fabric and polymer. ### Claim 8 A vessel system for high-pressure reactions comprising: a polymer cylinder reaction vessel with a pressure vent opening extending radially through the wall of said polymer cylinder reaction vessel; a cylindrical reinforcing sleeve surrounding portions of said polymer cylinder reaction vessel other than said radially extending vent opening; a stepped sliding closure plug in the mouth of said polymer cylinder reaction vessel for opening and closing said radially extending pressure vent opening without opening the mouth of said polymer cylinder reaction vessel; a dimensionally stable closure on said stepped sliding closure plug; a supporting frame into which said polymer cylinder reaction vessel is received; a clamp for securing said polymer cylinder reaction vessel in said supporting frame by exerting force against said dimensionally stable closure; and complementing keying structure elements on said polymer cylinder reaction vessel and on said supporting frame to limit the orientation of said polymer cylinder reaction vessel and said radially extending vent opening to a defined single position with respect to said supporting frame. ### Claim 9 A vessel system for high-pressure reactions comprising: a plugged polymer cylinder reaction vessel with a pressure vent opening extending radially through the wall of said reaction vessel; a supporting frame into which said plugged polymer cylinder vessel is received; complementing keying structure elements on said plugged polymer cylinder vessel and on said supporting frame to limit the orientation of said plugged polymer cylinder reaction vessel in said supporting frame and said radially extending vent opening to a defined single position with respect to said supporting frame; and said supporting frame having a vent tube that is aligned with said radially extending opening in said plugged polymer cylinder reaction vessel when said plugged polymer cylinder reaction vessel is keyed into said supporting frame. ### Claim 10 (depends on 9) A vessel system according to claim 9 wherein said supporting frame further comprises a clamp that bears against said plugged vessel to keep said vessel closed at defined pressures generated by reactions inside said vessel. ### Claim 11 (depends on 10) A vessel system according to claim 10 further comprising: a dimensionally stable cap on said plugged vessel; and a threaded bolt in said frame that bears against said dimensionally stable cap and said plugged reaction vessel. ### Claim 12 (depends on 9) A vessel system according to claim 9 wherein said keying structure elements include: defined corners in said supporting frame; and a keyed portion of said reaction vessel for engaging said defined corners in said supporting frame. ### Claim 13 (depends on 9) A vessel system according to claim 9 wherein said polymer reaction vessel is formed of PTFE. ### Claim 14 (depends on 13) A vessel system according to claim 13 further comprising a composite sleeve around said reaction vessel and formed of a plurality of layers of woven fabric and polymer.